Smoothwall Express 3.1-SP4-polar-x86_64-update9 contains multiple reflected cross-site scripting vulnerabilities in the dhcp.cgi script that allow attackers to inject malicious scripts through multiple parameters. Attackers can submit POST requests to dhcp.cgi with script payloads in parameters such as BOOT_SERVER, BOOT_FILE, BOOT_ROOT, START_ADDR, END_ADDR, DNS1, DNS2, NTP1, NTP2, WINS1, WINS2, DEFAULT_LEASE_TIME, MAX_LEASE_TIME, DOMAIN_NAME, NIS_DOMAIN, NIS1, NIS2, STATIC_HOST, STATIC_DESC, STATIC_MAC, and STATIC_IP to execute arbitrary JavaScript in user browsers.
References
| Link | Resource |
|---|---|
| http://www.smoothwall.org | Product |
| https://www.exploit-db.com/exploits/46333 | Exploit Third Party Advisory VDB Entry |
| https://www.vulncheck.com/advisories/smoothwall-express-dhcpcgi-cross-site-scripting | Broken Link |
Configurations
History
20 Feb 2026, 16:25
| Type | Values Removed | Values Added |
|---|---|---|
| First Time |
Smoothwall smoothwall Express
Smoothwall |
|
| CPE | cpe:2.3:o:smoothwall:smoothwall_express:3.1:sp4:*:*:-:*:*:* | |
| References | () http://www.smoothwall.org - Product | |
| References | () https://www.exploit-db.com/exploits/46333 - Exploit, Third Party Advisory, VDB Entry | |
| References | () https://www.vulncheck.com/advisories/smoothwall-express-dhcpcgi-cross-site-scripting - Broken Link |
18 Feb 2026, 17:52
| Type | Values Removed | Values Added |
|---|---|---|
| Summary |
|
16 Feb 2026, 18:19
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-02-16 18:19
Updated : 2026-02-20 16:25
NVD link : CVE-2019-25380
Mitre link : CVE-2019-25380
CVE.ORG link : CVE-2019-25380
JSON object : View
Products Affected
smoothwall
- smoothwall_express
CWE
CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')